Table 3.

Water and soil chemistry

		Water							Soil
Cave	Abbreviation	$\mathrm{P}{\mathrm{O}}_4^{-}$	$\mathrm{S}{\mathrm{O}}_4^{2-}$	TOC	IC	$\mathrm{N}{\mathrm{O}}_3^{-}$	$\mathrm{N}{\mathrm{H}}_4^{+}$	TN	%N	%C	Land Use
Algar do Carvão	AC	0.0374	4.10	0.86	4.14	0.08	0.060	0.31	0.1414	3.012	Forested
Gruta da Branca Opala	GBO	0.0312	1.42	1.24	0.16	2.12	0.040	2.46	0.8104	8.494	Forested
Gruta da Madre de Deus	GMD	0.0696	5.55	5.40	2.37	0.86	0.020	1.38	0.1480	2.056	Forested
Gruta da Achada	GAS	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	Sea/Urban
Gruta das Agulhas	GA	0.0035	37.29	1.10	2.35	6.92	0.090	10.20	0.0930	1.397	Pasture
Gruta do Natal	GN	0.0350	6.36	2.32	4.82	0.75	0.080	1.86	0.1873	1.998	Pasture
Gruta da Terra Mole	GTM	0.0199	5.43	1.19	0.09	1.03	0.020	1.26	0.7076	10.151	Pasture
Gruta da Malha	GML	0.0027	3.54	1.45	2.11	3.75	0.040	5.96	0.1691	3.864	Pasture
Gruta dos Buracos	GB	0.0029	1.87	8.10	2.80	0.28	0.030	1.08	0.2342	4.559	Pasture
Gruta dos Principiantes	GP	0.0013	1.94	0.78	1.85	1.78	0.030	2.20	0.3047	4.357	Pasture
Gruta da Balcões	GBL	0.0030	5.19	1.17	2.29	0.46	0.030	1.17	0.6622	7.871	Pasture